Nice piece—that navy base with the white windowpane and pop of yellow gives you a lot to work with 👍
Here are suit colors that pair especially well:
Best matches (can’t miss):
Navy suit – Clean, cohesive, and sharp. Lets the yellow accent quietly pop.
Charcoal gray – Sophisticated contrast; keeps the look polished and modern.
Mid-gray – Lighter than charcoal, great for daytime or spring/summer.
Very strong alternatives:
Medium or dark blue (royal / cobalt-leaning) – Works as long as it’s not brighter than the pocket square.
Tan / light khaki – Excellent for warm weather; the yellow really shines here.
Camel or light brown – Stylish and unexpected, especially with brown shoes.
Pattern note:
If your suit has a pattern, keep it subtle (solid or very fine texture). Since the pocket square already has a windowpane, let it be the statement.
Quick shirt & tie tip (optional):
White or light blue shirt
Navy, gray, or solid yellow tie (or no tie for a relaxed look)